/
Radio.cs
executable file
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/
Radio.cs
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/*
* Copyright (c) 2016 Samsung Electronics Co., Ltd All Rights Reserved
*
* Licensed under the Apache License, Version 2.0 (the License);
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an AS IS BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
using System;
namespace ElmSharp
{
/// <summary>
/// The Radio is a widget that allows for 1 or more options to be displayed, and have the user choose only 1 of them.
/// </summary>
/// <since_tizen> preview </since_tizen>
public class Radio : Layout
{
SmartEvent _changed;
/// <summary>
/// Creates and initializes a new instance of the Radio class.
/// </summary>
/// <param name="parent">The EvasObject to which the new Radio will be attached as a child.</param>
/// <since_tizen> preview </since_tizen>
public Radio(EvasObject parent) : base(parent)
{
_changed = new SmartEvent(this, this.RealHandle, "changed");
_changed.On += (s, e) => ValueChanged?.Invoke(this, EventArgs.Empty);
}
/// <summary>
/// ValueChanged will be triggered when value of the radio changes.
/// </summary>
/// <since_tizen> preview </since_tizen>
public event EventHandler ValueChanged;
/// <summary>
/// Sets or gets a unique value to each radio button.
/// </summary>
/// <since_tizen> preview </since_tizen>
public int StateValue
{
get
{
return Interop.Elementary.elm_radio_state_value_get(RealHandle);
}
set
{
Interop.Elementary.elm_radio_state_value_set(RealHandle, value);
}
}
/// <summary>
/// Sets or gets the value of the radio group.
/// </summary>
/// <since_tizen> preview </since_tizen>
public int GroupValue
{
get
{
return Interop.Elementary.elm_radio_value_get(RealHandle);
}
set
{
Interop.Elementary.elm_radio_value_set(RealHandle, value);
}
}
/// <summary>
/// Adds this radio to a group of other radio objects.
/// </summary>
/// <param name="group">Group which add radio in.</param>
/// <since_tizen> preview </since_tizen>
public void SetGroup(Radio group)
{
if (group == null)
{
throw new ArgumentNullException("group");
}
Interop.Elementary.elm_radio_group_add(RealHandle, group.RealHandle);
}
/// <summary>
/// Creates a widget handle.
/// </summary>
/// <param name="parent">Parent EvasObject.</param>
/// <returns>Handle IntPtr.</returns>
/// <since_tizen> preview </since_tizen>
protected override IntPtr CreateHandle(EvasObject parent)
{
IntPtr handle = Interop.Elementary.elm_layout_add(parent.Handle);
Interop.Elementary.elm_layout_theme_set(handle, "layout", "elm_widget", "default");
RealHandle = Interop.Elementary.elm_radio_add(handle);
Interop.Elementary.elm_object_part_content_set(handle, "elm.swallow.content", RealHandle);
return handle;
}
}
}